1 #ifndef QEMU_USB_H 2 #define QEMU_USB_H 3 4 /* 5 * QEMU USB API 6 * 7 * Copyright (c) 2005 Fabrice Bellard 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a copy 10 * of this software and associated documentation files (the "Software"), to deal 11 * in the Software without restriction, including without limitation the rights 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 13 * copies of the Software, and to permit persons to whom the Software is 14 * furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 25 * THE SOFTWARE. 26 */ 27 28 #include "hw/qdev.h" 29 #include "qemu/queue.h" 30 31 /* Constants related to the USB / PCI interaction */ 32 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 33 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 34 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 35 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 36 37 #define USB_TOKEN_SETUP 0x2d 38 #define USB_TOKEN_IN 0x69 /* device -> host */ 39 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 40 41 #define USB_RET_SUCCESS (0) 42 #define USB_RET_NODEV (-1) 43 #define USB_RET_NAK (-2) 44 #define USB_RET_STALL (-3) 45 #define USB_RET_BABBLE (-4) 46 #define USB_RET_IOERROR (-5) 47 #define USB_RET_ASYNC (-6) 48 #define USB_RET_ADD_TO_QUEUE (-7) 49 #define USB_RET_REMOVE_FROM_QUEUE (-8) 50 51 #define USB_SPEED_LOW 0 52 #define USB_SPEED_FULL 1 53 #define USB_SPEED_HIGH 2 54 #define USB_SPEED_SUPER 3 55 56 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 57 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 58 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 59 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 60 61 #define USB_STATE_NOTATTACHED 0 62 #define USB_STATE_ATTACHED 1 63 //#define USB_STATE_POWERED 2 64 #define USB_STATE_DEFAULT 3 65 //#define USB_STATE_ADDRESS 4 66 //#define USB_STATE_CONFIGURED 5 67 #define USB_STATE_SUSPENDED 6 68 69 #define USB_CLASS_AUDIO 1 70 #define USB_CLASS_COMM 2 71 #define USB_CLASS_HID 3 72 #define USB_CLASS_PHYSICAL 5 73 #define USB_CLASS_STILL_IMAGE 6 74 #define USB_CLASS_PRINTER 7 75 #define USB_CLASS_MASS_STORAGE 8 76 #define USB_CLASS_HUB 9 77 #define USB_CLASS_CDC_DATA 0x0a 78 #define USB_CLASS_CSCID 0x0b 79 #define USB_CLASS_CONTENT_SEC 0x0d 80 #define USB_CLASS_APP_SPEC 0xfe 81 #define USB_CLASS_VENDOR_SPEC 0xff 82 83 #define USB_SUBCLASS_UNDEFINED 0 84 #define USB_SUBCLASS_AUDIO_CONTROL 1 85 #define USB_SUBCLASS_AUDIO_STREAMING 2 86 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 87 88 #define USB_DIR_OUT 0 89 #define USB_DIR_IN 0x80 90 91 #define USB_TYPE_MASK (0x03 << 5) 92 #define USB_TYPE_STANDARD (0x00 << 5) 93 #define USB_TYPE_CLASS (0x01 << 5) 94 #define USB_TYPE_VENDOR (0x02 << 5) 95 #define USB_TYPE_RESERVED (0x03 << 5) 96 97 #define USB_RECIP_MASK 0x1f 98 #define USB_RECIP_DEVICE 0x00 99 #define USB_RECIP_INTERFACE 0x01 100 #define USB_RECIP_ENDPOINT 0x02 101 #define USB_RECIP_OTHER 0x03 102 103 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 104 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 105 #define VendorDeviceRequest ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 106 #define VendorDeviceOutRequest \ 107 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) 108 109 #define InterfaceRequest \ 110 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 111 #define InterfaceOutRequest \ 112 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 113 #define ClassInterfaceRequest \ 114 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 115 #define ClassInterfaceOutRequest \ 116 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 117 #define VendorInterfaceRequest \ 118 ((USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 119 #define VendorInterfaceOutRequest \ 120 ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE)<<8) 121 122 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 123 #define EndpointOutRequest \ 124 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 125 126 #define USB_REQ_GET_STATUS 0x00 127 #define USB_REQ_CLEAR_FEATURE 0x01 128 #define USB_REQ_SET_FEATURE 0x03 129 #define USB_REQ_SET_ADDRESS 0x05 130 #define USB_REQ_GET_DESCRIPTOR 0x06 131 #define USB_REQ_SET_DESCRIPTOR 0x07 132 #define USB_REQ_GET_CONFIGURATION 0x08 133 #define USB_REQ_SET_CONFIGURATION 0x09 134 #define USB_REQ_GET_INTERFACE 0x0A 135 #define USB_REQ_SET_INTERFACE 0x0B 136 #define USB_REQ_SYNCH_FRAME 0x0C 137 138 #define USB_DEVICE_SELF_POWERED 0 139 #define USB_DEVICE_REMOTE_WAKEUP 1 140 141 #define USB_DT_DEVICE 0x01 142 #define USB_DT_CONFIG 0x02 143 #define USB_DT_STRING 0x03 144 #define USB_DT_INTERFACE 0x04 145 #define USB_DT_ENDPOINT 0x05 146 #define USB_DT_DEVICE_QUALIFIER 0x06 147 #define USB_DT_OTHER_SPEED_CONFIG 0x07 148 #define USB_DT_DEBUG 0x0A 149 #define USB_DT_INTERFACE_ASSOC 0x0B 150 #define USB_DT_BOS 0x0F 151 #define USB_DT_DEVICE_CAPABILITY 0x10 152 #define USB_DT_CS_INTERFACE 0x24 153 #define USB_DT_CS_ENDPOINT 0x25 154 #define USB_DT_ENDPOINT_COMPANION 0x30 155 156 #define USB_DEV_CAP_WIRELESS 0x01 157 #define USB_DEV_CAP_USB2_EXT 0x02 158 #define USB_DEV_CAP_SUPERSPEED 0x03 159 160 #define USB_CFG_ATT_ONE (1 << 7) /* should always be set */ 161 #define USB_CFG_ATT_SELFPOWER (1 << 6) 162 #define USB_CFG_ATT_WAKEUP (1 << 5) 163 #define USB_CFG_ATT_BATTERY (1 << 4) 164 165 #define USB_ENDPOINT_XFER_CONTROL 0 166 #define USB_ENDPOINT_XFER_ISOC 1 167 #define USB_ENDPOINT_XFER_BULK 2 168 #define USB_ENDPOINT_XFER_INT 3 169 #define USB_ENDPOINT_XFER_INVALID 255 170 171 #define USB_INTERFACE_INVALID 255 172 173 typedef struct USBBus USBBus; 174 typedef struct USBBusOps USBBusOps; 175 typedef struct USBPort USBPort; 176 typedef struct USBDevice USBDevice; 177 typedef struct USBPacket USBPacket; 178 typedef struct USBCombinedPacket USBCombinedPacket; 179 typedef struct USBEndpoint USBEndpoint; 180 181 typedef struct USBDesc USBDesc; 182 typedef struct USBDescID USBDescID; 183 typedef struct USBDescDevice USBDescDevice; 184 typedef struct USBDescConfig USBDescConfig; 185 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 186 typedef struct USBDescIface USBDescIface; 187 typedef struct USBDescEndpoint USBDescEndpoint; 188 typedef struct USBDescOther USBDescOther; 189 typedef struct USBDescString USBDescString; 190 typedef struct USBDescMSOS USBDescMSOS; 191 192 struct USBDescString { 193 uint8_t index; 194 char *str; 195 QLIST_ENTRY(USBDescString) next; 196 }; 197 198 #define USB_MAX_ENDPOINTS 15 199 #define USB_MAX_INTERFACES 16 200 201 struct USBEndpoint { 202 uint8_t nr; 203 uint8_t pid; 204 uint8_t type; 205 uint8_t ifnum; 206 int max_packet_size; 207 int max_streams; 208 bool pipeline; 209 bool halted; 210 USBDevice *dev; 211 QTAILQ_HEAD(, USBPacket) queue; 212 }; 213 214 enum USBDeviceFlags { 215 USB_DEV_FLAG_FULL_PATH, 216 USB_DEV_FLAG_IS_HOST, 217 USB_DEV_FLAG_MSOS_DESC_ENABLE, 218 USB_DEV_FLAG_MSOS_DESC_IN_USE, 219 }; 220 221 /* definition of a USB device */ 222 struct USBDevice { 223 DeviceState qdev; 224 USBPort *port; 225 char *port_path; 226 char *serial; 227 void *opaque; 228 uint32_t flags; 229 230 /* Actual connected speed */ 231 int speed; 232 /* Supported speeds, not in info because it may be variable (hostdevs) */ 233 int speedmask; 234 uint8_t addr; 235 char product_desc[32]; 236 int auto_attach; 237 int attached; 238 239 int32_t state; 240 uint8_t setup_buf[8]; 241 uint8_t data_buf[4096]; 242 int32_t remote_wakeup; 243 int32_t setup_state; 244 int32_t setup_len; 245 int32_t setup_index; 246 247 USBEndpoint ep_ctl; 248 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 249 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 250 251 QLIST_HEAD(, USBDescString) strings; 252 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 253 const USBDescDevice *device; 254 255 int configuration; 256 int ninterfaces; 257 int altsetting[USB_MAX_INTERFACES]; 258 const USBDescConfig *config; 259 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 260 }; 261 262 #define TYPE_USB_DEVICE "usb-device" 263 #define USB_DEVICE(obj) \ 264 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 265 #define USB_DEVICE_CLASS(klass) \ 266 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 267 #define USB_DEVICE_GET_CLASS(obj) \ 268 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 269 270 typedef struct USBDeviceClass { 271 DeviceClass parent_class; 272 273 int (*init)(USBDevice *dev); 274 275 /* 276 * Walk (enabled) downstream ports, check for a matching device. 277 * Only hubs implement this. 278 */ 279 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 280 281 /* 282 * Called when a packet is canceled. 283 */ 284 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 285 286 /* 287 * Called when device is destroyed. 288 */ 289 void (*handle_destroy)(USBDevice *dev); 290 291 /* 292 * Attach the device 293 */ 294 void (*handle_attach)(USBDevice *dev); 295 296 /* 297 * Reset the device 298 */ 299 void (*handle_reset)(USBDevice *dev); 300 301 /* 302 * Process control request. 303 * Called from handle_packet(). 304 * 305 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 306 * then the number of bytes transferred is stored in p->actual_length 307 */ 308 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 309 int index, int length, uint8_t *data); 310 311 /* 312 * Process data transfers (both BULK and ISOC). 313 * Called from handle_packet(). 314 * 315 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 316 * then the number of bytes transferred is stored in p->actual_length 317 */ 318 void (*handle_data)(USBDevice *dev, USBPacket *p); 319 320 void (*set_interface)(USBDevice *dev, int interface, 321 int alt_old, int alt_new); 322 323 /* 324 * Called when the hcd is done queuing packets for an endpoint, only 325 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 326 */ 327 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 328 329 /* 330 * Called by the hcd to let the device know the queue for an endpoint 331 * has been unlinked / stopped. Optional may be NULL. 332 */ 333 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 334 335 /* 336 * Called by the hcd to alloc / free streams on a bulk endpoint. 337 * Optional may be NULL. 338 */ 339 int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps, 340 int streams); 341 void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps); 342 343 const char *product_desc; 344 const USBDesc *usb_desc; 345 } USBDeviceClass; 346 347 typedef struct USBPortOps { 348 void (*attach)(USBPort *port); 349 void (*detach)(USBPort *port); 350 /* 351 * This gets called when a device downstream from the device attached to 352 * the port (iow attached through a hub) gets detached. 353 */ 354 void (*child_detach)(USBPort *port, USBDevice *child); 355 void (*wakeup)(USBPort *port); 356 /* 357 * Note that port->dev will be different then the device from which 358 * the packet originated when a hub is involved. 359 */ 360 void (*complete)(USBPort *port, USBPacket *p); 361 } USBPortOps; 362 363 /* USB port on which a device can be connected */ 364 struct USBPort { 365 USBDevice *dev; 366 int speedmask; 367 int hubcount; 368 char path[16]; 369 USBPortOps *ops; 370 void *opaque; 371 int index; /* internal port index, may be used with the opaque */ 372 QTAILQ_ENTRY(USBPort) next; 373 }; 374 375 typedef void USBCallback(USBPacket * packet, void *opaque); 376 377 typedef enum USBPacketState { 378 USB_PACKET_UNDEFINED = 0, 379 USB_PACKET_SETUP, 380 USB_PACKET_QUEUED, 381 USB_PACKET_ASYNC, 382 USB_PACKET_COMPLETE, 383 USB_PACKET_CANCELED, 384 } USBPacketState; 385 386 /* Structure used to hold information about an active USB packet. */ 387 struct USBPacket { 388 /* Data fields for use by the driver. */ 389 int pid; 390 uint64_t id; 391 USBEndpoint *ep; 392 unsigned int stream; 393 QEMUIOVector iov; 394 uint64_t parameter; /* control transfers */ 395 bool short_not_ok; 396 bool int_req; 397 int status; /* USB_RET_* status code */ 398 int actual_length; /* Number of bytes actually transferred */ 399 /* Internal use by the USB layer. */ 400 USBPacketState state; 401 USBCombinedPacket *combined; 402 QTAILQ_ENTRY(USBPacket) queue; 403 QTAILQ_ENTRY(USBPacket) combined_entry; 404 }; 405 406 struct USBCombinedPacket { 407 USBPacket *first; 408 QTAILQ_HEAD(packets_head, USBPacket) packets; 409 QEMUIOVector iov; 410 }; 411 412 void usb_packet_init(USBPacket *p); 413 void usb_packet_set_state(USBPacket *p, USBPacketState state); 414 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 415 void usb_packet_setup(USBPacket *p, int pid, 416 USBEndpoint *ep, unsigned int stream, 417 uint64_t id, bool short_not_ok, bool int_req); 418 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 419 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 420 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 421 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 422 void usb_packet_skip(USBPacket *p, size_t bytes); 423 size_t usb_packet_size(USBPacket *p); 424 void usb_packet_cleanup(USBPacket *p); 425 426 static inline bool usb_packet_is_inflight(USBPacket *p) 427 { 428 return (p->state == USB_PACKET_QUEUED || 429 p->state == USB_PACKET_ASYNC); 430 } 431 432 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 433 434 void usb_handle_packet(USBDevice *dev, USBPacket *p); 435 void usb_packet_complete(USBDevice *dev, USBPacket *p); 436 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 437 void usb_cancel_packet(USBPacket * p); 438 439 void usb_ep_init(USBDevice *dev); 440 void usb_ep_reset(USBDevice *dev); 441 void usb_ep_dump(USBDevice *dev); 442 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 443 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 444 uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep); 445 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 446 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 447 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 448 uint16_t raw); 449 int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep); 450 void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw); 451 int usb_ep_get_max_streams(USBDevice *dev, int pid, int ep); 452 void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled); 453 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 454 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 455 uint64_t id); 456 457 void usb_ep_combine_input_packets(USBEndpoint *ep); 458 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 459 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 460 461 void usb_attach(USBPort *port); 462 void usb_detach(USBPort *port); 463 void usb_port_reset(USBPort *port); 464 void usb_device_reset(USBDevice *dev); 465 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 466 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 467 int set_usb_string(uint8_t *buf, const char *str); 468 469 /* usb-linux.c */ 470 USBDevice *usb_host_device_open(USBBus *bus, const char *devname); 471 void usb_host_info(Monitor *mon, const QDict *qdict); 472 473 /* usb ports of the VM */ 474 475 #define VM_USB_HUB_SIZE 8 476 477 /* usb-musb.c */ 478 enum musb_irq_source_e { 479 musb_irq_suspend = 0, 480 musb_irq_resume, 481 musb_irq_rst_babble, 482 musb_irq_sof, 483 musb_irq_connect, 484 musb_irq_disconnect, 485 musb_irq_vbus_request, 486 musb_irq_vbus_error, 487 musb_irq_rx, 488 musb_irq_tx, 489 musb_set_vbus, 490 musb_set_session, 491 /* Add new interrupts here */ 492 musb_irq_max, /* total number of interrupts defined */ 493 }; 494 495 typedef struct MUSBState MUSBState; 496 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 497 void musb_reset(MUSBState *s); 498 uint32_t musb_core_intr_get(MUSBState *s); 499 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 500 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 501 502 /* usb-bus.c */ 503 504 #define TYPE_USB_BUS "usb-bus" 505 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 506 507 struct USBBus { 508 BusState qbus; 509 USBBusOps *ops; 510 int busnr; 511 int nfree; 512 int nused; 513 QTAILQ_HEAD(, USBPort) free; 514 QTAILQ_HEAD(, USBPort) used; 515 QTAILQ_ENTRY(USBBus) next; 516 }; 517 518 struct USBBusOps { 519 int (*register_companion)(USBBus *bus, USBPort *ports[], 520 uint32_t portcount, uint32_t firstport); 521 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 522 }; 523 524 void usb_bus_new(USBBus *bus, size_t bus_size, 525 USBBusOps *ops, DeviceState *host); 526 USBBus *usb_bus_find(int busnr); 527 void usb_legacy_register(const char *typename, const char *usbdevice_name, 528 USBDevice *(*usbdevice_init)(USBBus *bus, 529 const char *params)); 530 USBDevice *usb_create(USBBus *bus, const char *name); 531 USBDevice *usb_create_simple(USBBus *bus, const char *name); 532 USBDevice *usbdevice_create(const char *cmdline); 533 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 534 USBPortOps *ops, int speedmask); 535 int usb_register_companion(const char *masterbus, USBPort *ports[], 536 uint32_t portcount, uint32_t firstport, 537 void *opaque, USBPortOps *ops, int speedmask); 538 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 539 void usb_unregister_port(USBBus *bus, USBPort *port); 540 int usb_claim_port(USBDevice *dev); 541 void usb_release_port(USBDevice *dev); 542 int usb_device_attach(USBDevice *dev); 543 int usb_device_detach(USBDevice *dev); 544 int usb_device_delete_addr(int busnr, int addr); 545 546 static inline USBBus *usb_bus_from_device(USBDevice *d) 547 { 548 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 549 } 550 551 extern const VMStateDescription vmstate_usb_device; 552 553 #define VMSTATE_USB_DEVICE(_field, _state) { \ 554 .name = (stringify(_field)), \ 555 .size = sizeof(USBDevice), \ 556 .vmsd = &vmstate_usb_device, \ 557 .flags = VMS_STRUCT, \ 558 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 559 } 560 561 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 562 563 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 564 565 void usb_device_handle_attach(USBDevice *dev); 566 567 void usb_device_handle_reset(USBDevice *dev); 568 569 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 570 int val, int index, int length, uint8_t *data); 571 572 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 573 574 void usb_device_set_interface(USBDevice *dev, int interface, 575 int alt_old, int alt_new); 576 577 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 578 579 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 580 581 int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps, 582 int streams); 583 void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps); 584 585 const char *usb_device_get_product_desc(USBDevice *dev); 586 587 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 588 589 int ehci_create_ich9_with_companions(PCIBus *bus, int slot); 590 591 /* quirks.c */ 592 593 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 594 #define USB_QUIRK_BUFFER_BULK_IN 0x01 595 /* Bulk pkts in FTDI format, need special handling when combining packets */ 596 #define USB_QUIRK_IS_FTDI 0x02 597 598 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 599 uint8_t interface_class, uint8_t interface_subclass, 600 uint8_t interface_protocol); 601 602 #endif 603